Hi,
Fishing prices are still boosted by the level of your fishing proficiency. If you wanna boost it more, make sure to use all the buffs available, you can find them in detail in the
fishing guide.
As of 4.7, all the fish have gotten new health bars, which for salt water fishing means that pufferfish have the lowest health, and marlins have the most, instead of small, medium, and large sizes we used to fish. This changed the pricing.
As an avid fisher, I have noticed that the prices are now more in range of each other. So, a pufferfish no longer is about 10g for the small sizes, instead they range from 20-25g for a small, from 30-40g for a garg. Tunas are worth a little less, Sturgeons are worth a little more.
On the whole, this means if you catch a boat full of
small puffers, you no longer get only 60-90g, but you get 120-150g. Seeing as, thankfully, this is a rare thing anyway, most boats you will fish will be at about 200-250g.
Side note: this is my data from fishing at 230k prof.
Best of luck.